Predefined Constants

The constants below are defined by this extension, and
will only be available when the extension has either
been compiled into PHP or dynamically loaded at runtime.

Each TIDY_TAG_XXX represents a HTML tag. For example,
TIDY_TAG_A represents a
"<a href="XX">link</a>" tag. Each
TIDY_ATTR_XXX
represents a HTML attribute. For example TIDY_ATTR_HREF
would represent the href attribute in the previous example.